* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

a {
    text-decoration: none;
    color: inherit;
}

/* メインコンテンツ */
.main {
    max-width: 800px;
    margin: 0 auto;
    padding: 200px 20px 60px;
}

/* 説明文 */
.notice-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.notice-title {
    font-size: 14px;
    font-weight: 700;
    color: #2c4a88;
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid #2c4a88;
}

.notice-text {
    font-size: 13px;
    line-height: 1.8;
    color: #555;
}

.notice-text a {
    color: #2c4a88;
    text-decoration: underline;
}

/* フォーム */
.form-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-section-title {
    font-size: 16px;
    font-weight: 700;
    color: #2c4a88;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid #2c4a88;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.form-label .required {
    color: #e74c3c;
    font-size: 11px;
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fafafa;
    transition: border-color 0.3s, background-color 0.3s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #2c4a88;
    background-color: #fff;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #999;
}

.form-select {
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23666"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    cursor: pointer;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

/* 参加者セクション */
.participant-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}

.participant-title {
    font-size: 14px;
    font-weight: 700;
    color: #2c4a88;
    margin-bottom: 20px;
    padding: 8px 16px;
    background-color: #f0f4f8;
    border-radius: 4px;
}

/* チェックボックス */
.form-checkbox-group {
    margin-top: 24px;
    text-align: center;
}

.form-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #555;
    cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2c4a88;
}

.form-checkbox-label a {
    color: #2c4a88;
    text-decoration: underline;
}

/* ラジオボタングループ */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background-color: #fafafa;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.3s, background-color 0.3s;
}

.radio-label:hover {
    border-color: #2c4a88;
    background-color: #f0f4f8;
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: #2c4a88;
    margin: 0;
}

.radio-label input[type="radio"]:checked+.radio-text {
    color: #2c4a88;
    font-weight: 500;
}

.radio-label:has(input[type="radio"]:checked) {
    border-color: #2c4a88;
    background-color: #f0f4f8;
}

.radio-text {
    font-size: 14px;
    color: #333;
}

/* 送信ボタン */
.form-submit {
    margin-top: 32px;
    text-align: center;
}

.submit-btn {
    display: inline-block;
    width: 100%;
    max-width: 320px;
    padding: 18px 40px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: linear-gradient(135deg, #2c4a88 0%, #1a3a6e 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 74, 136, 0.4);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .main {
        padding: 100px 20px 60px;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-box {
        padding: 20px;
    }
}

/* ラジオボタン・チェックボックスを表示 */
.wpcf7 input[type="radio"],
.wpcf7 input[type="checkbox"],
.radio-group input[type="radio"],
.form-checkbox-group input[type="checkbox"] {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 18px !important;
    height: 18px !important;
    position: relative !important;
    appearance: auto !important;
    -webkit-appearance: auto !important;
    margin-right: 8px !important;
}